Summary statistics for tchnlgst_bs_ba_dgr_cnt variable in pos2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_b~t |    108,700    .0050603    .3909362          0        123

by Jean Roth , jroth@nber.org , 17 May 2017